M6 Copper Hex Head Cap Screw from Mexico
A fully threaded M6 (6mm diameter) hex head cap screw made entirely of copper alloy, used in marine and electrical applications requiring corrosion resistance. It falls under HTS 7415.33.80.10 because it is a copper screw with shank and threads 6 mm or more in diameter, distinct from smaller fasteners.
Duty Rate — Mexico → United States
53%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Verify copper alloy composition meets subheading note definitions (e.g
• brass or bronze) via material test reports to avoid reclassification
• Include detailed engineering drawings showing shank/thread dimensions ≥6mm for customs valuation and classification